Amview 4-in-1 (TVI AHD CVI 960H) Ture HD1080P 2.6MP Waterproof 42IR LEDs 2.8-12mm Varifocal Bullet Security Camera 1/3" 2.1 Megapixel CMOS AHD Chip, 2.8~12mm Varifocal Lens, 42 IR LEDs, Aluminum housing real-time transmition,up to 500 meters via 75-5 Coaxial Cable Max.IR sidtance: 131 FEET ** HD AHD Camera MUST work with AHD DVR. It will compatiable with AHD DVR only.. Best choice for project reconstruction.You can upgrade an old analog security system to 1.3MP HD cameras without changing cable routes.